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Using the drawing find y: MzBDJ = 7y + 2, mZJDR = 2y + 7 * HRT O 25 O 19 O O TY
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Using the drawing find y: MzBDJ = 7y + 2, mZJDR = 2y + 7 * HRT O 25 O 19 O O TY

Using the drawing find y: MzBDJ = 7y + 2, mZJDR = 2y + 7 * HRT O 25 O 19 O O TY-example-1
User Nevzatopcu
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\begin{gathered} \angle BDR=m\angle BDJ+m\angle JDR \\ \angle BDR=7y+2+2y+7 \\ \angle BDR=9y+9 \\ 90-9=9y \\ 81=9y \\ y=(81)/(9) \\ y=9 \end{gathered}

User Jfs
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